Triggers for fluid applicators

Abstract

Trigger assemblies and trigger studs for gun bodies.

1. A trigger stud for attaching a trigger to a gun body, the gun body having a hole therethrough, the hole have a first cylindrical portion and a second cylindrical portion, the first portion having a diameter greater than the second portion, the trigger having a trigger portion and a pair of legs extending upward from the trigger portion, each leg having an opening therein, the legs being positioned on opposite sides of the hole through the gun body, the trigger stud comprising:
 a one piece trigger stud adapted to be positioned in the hole in the gun body, the trigger stud comprising a first cylindrical portion and a second cylindrical portion, the first portion having a diameter greater than the second portion, the first and second portions having opposite ends, and the second portion having a threaded section on an outside surface, the threaded section adapted to mate with threads on an inside surface of the hole in the gun body, the first portion having an optional head on the end opposite the second portion, the optional head on the first portion having a diameter greater the diameter of the first portion, the trigger stud extending through the hole in the gun body and through the openings in the legs positioned on opposite sides of the hole in the gun body and securing the legs to the gun body. 
 
   
   
     2. The trigger stud of  claim 1  wherein the end of the first portion includes a slot, a hexagonal opening, or the optional head with a hexagonal shape. 
   
   
     3. The trigger stud of  claim 1  wherein the end of the second portion includes a slot, a hexagonal opening, or the optional head with a hexagonal shape. 
   
   
     4. A trigger stud for a trigger for a gun body, the gun body having a hole therethrough, the trigger having a trigger portion and a pair of legs extending upward from the trigger portion, each leg having an opening therein, the legs being positioned on opposite sides of the hole through the gun body, the opening in one of the legs having a non-cylindrical shape, the trigger stud comprising:
 a trigger stud adapted to be positioned in the hole in the gun body, one end of the trigger stud having a non-cylindrical shape, and one end of the trigger stud having a threaded section, the threaded section selected from internal threads in a bore in the trigger stud and external threads on the trigger stud, the trigger stud extending through the hole in the gun body and through the openings in the legs, the end of the trigger stud having the non-cylindrical shape fitting into the opening in one of the legs having the non-cylindrical shape; and 
 a complementary threaded piece, the complementary threaded piece selected from a screw adapted to be placed in the threaded bore or a nut adapted to be placed on the external threads, the complementary threaded piece securing the leg to the gun body, wherein when the end of the trigger stud having the non-cylindrical shape is the end with the threaded section, the threaded section is the internal threads in the bore in the trigger stud and the complementary threaded piece is the screw, and when the end of the trigger stud having the non-cylindrical shape is the end opposite the threaded section, the threaded section is the external threads on the trigger stud and the complementary threaded piece is the nut, and wherein when the end of the trigger stud having the non-cylindrical shape is fitted into the opening in one of the legs having the non-cylindrical shape, rotation of the trigger stud is prevented when the complementary piece is attached or removed. 
 
   
   
     5. The trigger stud of  claim 4  wherein the end of the trigger stud having the non-cylindrical shape is the end with the threaded section. 
   
   
     6. The trigger stud of  claim 4  wherein the end of the trigger stud having the non-cylindrical shape is the end opposite the threaded section. 
   
   
     7. The trigger stud of  claim 4  wherein the non-cylindrical shape is selected from square, rectangular, hexagonal, triangular, oval, round with at least one flat section, or star-shaped. 
   
   
     8. A trigger assembly for a gun body, the gun body having a hole therethrough, comprising:
 a trigger having a trigger portion and a pair of legs extending upward from the trigger portion, each leg having an opening therein, the legs being positioned on opposite sides of the hole through the gun body, the legs being biased toward each other, each leg forming an angle inward from vertical; and 
 a trigger stud adapted to be positioned in the hole in the gun body and extending through the hole in the gun body and through the openings in the legs positioned on opposite sides of the hole through the gun body; 
 wherein the opening in one of the legs or a portion of the hole in the gun body has a non-cylindrical shape, and wherein one end of the trigger stud has a non-cylindrical shape, one end of the trigger stud has a threaded section, the threaded section selected from internal threads in a bore in the trigger stud and external threads on the trigger stud, the ends of the trigger stud extending through the openings in the legs, the end of the trigger stud having the non-cylindrical shape fitting into the opening in one of the legs having the non-cylindrical shape; and a complementary threaded section, the complementary threaded section selected from a screw adapted to be placed in the threaded bore or a nut adapted to be placed on the external threads, the complementary threaded section securing the leg to the gun body, wherein when the end of the trigger stud having the non-cylindrical shape is the end with the threaded section, the threaded section is the internal threads in the bore in the trigger stud and the complementary threaded piece is the screw, and when the end of the trigger stud having the non-cylindrical shape is the end opposite the threaded section, the threaded section is the external threads on the trigger stud and the complementary threaded piece is the nut, and wherein when the end of the trigger stud having the non-cylindrical shape is fitted into the opening in one of the legs having the non-cylindrical shape, rotation of the trigger stud is prevented when the complementary piece is attached or removed. 
 
   
   
     9. A trigger assembly for a gun body, the gun body having a hole therethrough, the hole have a first cylindrical portion and a second cylindrical portion, the first portion having a diameter greater than the second portion, the trigger assembly comprising:
 a trigger having a trigger portion and a pair of legs extending upward from the trigger portion, each leg having an opening therein, the legs being positioned on opposite sides of the hole through the gun body, the legs being biased toward each other, each leg forming an angle inward from vertical; and 
 a one piece trigger stud adapted to be positioned in the hole in the gun body, the trigger stud comprising a first cylindrical portion and a second cylindrical portion, the first portion having a diameter greater than the second portion, the first and second portions having opposite ends, and the second portion having a threaded section on an outside surface, the threaded section adapted to mate with threads on an inside surface of the hole in the gun body, the first portion having an optional head on the end opposite the second portion, the optional head on the first portion having a diameter greater the diameter of the first portion, the trigger stud extending through the hole in the gun body and through the openings in the legs positioned on opposite sides of the hole in the gun body and securing the legs to the gun body. 
 
   
   
     10. The trigger assembly of  claim 9  wherein the end of the first or second portion includes a slot, a hexagonal opening, or the optional head with a hexagonal shape. 
   
   
     11. The trigger assembly of  claim 8  wherein the end of the trigger stud having the non-cylindrical shape is the end with the threaded section. 
   
   
     12. The trigger assembly of  claim 8  wherein the end of the trigger stud having the non-cylindrical shape is the end opposite the threaded section. 
   
   
     13. A trigger assembly for a gun body, the gun body having a hole therethrough, comprising:
 a trigger having a trigger portion and a pair of legs extending upward from the trigger portion, each leg having an opening therein, the legs being positioned on opposite sides of the hole through the gun body, the legs being separated by a distance, the distance being less than a width of the gun body at the hole; and 
 a trigger stud adapted to be positioned in the hole in the gun body and extending through the hole in the gun body and through the openings in the legs positioned on opposite sides of the hole through the gun body; 
 wherein the opening in one of the legs or a portion of the hole in the gun body has a non-cylindrical shape, and wherein one end of the trigger stud has a non-cylindrical shape, one end of the trigger stud has a threaded section, the threaded section selected from internal threads in a bore in the trigger stud and external threads on the trigger stud, the ends of the trigger stud extending through the openings in the legs, the end of the trigger stud having the non-cylindrical shape fitting into the opening in one of the legs having the non-cylindrical shape; and a complementary threaded section, the complementary threaded section selected from a screw adapted to be placed in the threaded bore or a nut adapted to be placed on the external threads, the complementary threaded section securing the leg to the gun body, wherein when the end of the trigger stud having the non-cylindrical shape is the end with the threaded section, the threaded section is the internal threads in the bore in the trigger stud and the complementary threaded piece is the screw, and when the end of the trigger stud having the non-cylindrical shape is the end opposite the threaded section, the threaded section is the external threads on the trigger stud and the complementary threaded piece is the nut, and wherein when the end of the trigger stud having the non-cylindrical shape is fitted into the opening in one of the legs having the non-cylindrical shape, rotation of the trigger stud is prevented when the complementary piece is attached or removed. 
 
   
   
     14. A trigger assembly for a gun body, the gun body having a hole therethrough, the hole have a first cylindrical portion and a second cylindrical portion, the first portion having a diameter greater than the second portion, the trigger assembly comprising:
 a trigger having a trigger portion and a pair of legs extending upward from the trigger portion, each leg having an opening therein, the legs being positioned on opposite sides of the hole through the gun body, the legs being separated by a distance, the distance being less than a width of the gun body at the hole; and 
 a one piece trigger stud adapted to be positioned in the hole in the gun body, the trigger stud comprising a first cylindrical portion and a second cylindrical portion, the first portion having a diameter greater than the second portion, the first and second portions having opposite ends, and the second portion having a threaded section on an outside surface, the threaded section adapted to mate with threads on an inside surface of the hole in the gun body, the first portion having an optional head on the end opposite the second portion, the optional head on the first portion having a diameter greater the diameter of the first portion, the trigger stud extending through the hole in the gun body and through the openings in the legs positioned on opposite side of the hole in the gun body and securing the legs to the gun body. 
 
   
   
     15. The trigger assembly of  claim 14  wherein the end of the first or second portion includes a slot, a hexagonal opening, or the optional head with a hexagonal shape. 
   
   
     16. The trigger assembly of  claim 13  wherein the end of the trigger stud having the non-cylindrical shape is the end with the threaded section. 
   
   
     17. The trigger assembly of  claim 13  wherein the end of the trigger stud having the non-cylindrical shape is the end opposite the threaded section. 
   
   
     18. The trigger stud of  claim 1  wherein the first portion includes the head. 
   
   
     19. The trigger stud of  claim 18  wherein the head includes a slot, or a hexagonal opening.